英语语法分析

The chemical structures, spectral characters, methods of extraction and separation, toxicity and pharmacological activities of long-chain phenolic acids from exopleura of Ginkgo biloba were reviewed.

综述近年来有关银杏外种皮中已知的银杏酚酸类成分的化学结构、波谱性质、提取分离方法、毒性及药理作用等方面的研究概况。